Home / 778,337.56-1,074,416.16-669,010.24

Finding the Fourth Proportional to 778,337.56, 1,074,416.16 and 669,010.24

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Solution

The fourth proportional to 778,337.56, 1,074,416.16 and 669,010.24 is: 923,500.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,337.56 : 1,074,416.16 = 669,010.24 : x
  2. Step 2: Convert to fraction form
    778,337.56/1,074,416.16 = 669,010.24/x
  3. Step 3: Cross multiply
    778,337.56x = 1,074,416.16 × 669,010.24
  4. Step 4: Simplify right side
    778,337.56x = 718,795,413,061.48
  5. Step 5: Solve for x
    x = 718,795,413,061.48/778,337.56
  6. Step 6: Final answer
    x = 923,500.87

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.